3 Best Portable Power Supplies for Astrophotography in 2025
Astrophotography doesn’t stop when the batteries do, which is why a dependable portable power supply is as vital as your telescope or camera. These compact power solutions keep mounts tracking, cameras capturing, and accessories running through long, chilly nights. The SVBONY SV241 works seamlessly with multiple power sources to keep your setup energized, while the Micro DC USB HUB Box adds convenient connectivity, turning your observing spot into a fully powered outdoor workstation.
The Celestron 93585 PowerTank Glow 5000 provides ample power and includes a red flashlight. It is compact and easy to mount. The Celestron PowerTank Lithium Pro offers a long-lasting 17-hour capacity. It is perfect for computerized telescopes. The Sky-Watcher EvoStar 100 is a portable optical tube, ideal for both visual astronomy and astrophotography. Kenko’s SKYMEMO S tracking platform aids in capturing stunning celestial images. Each product enhances your astrophotography experience efficiently.
1. Svbony Sv241 Astronomy Telescope Power Adapter

The SVBONY SV241 Astronomy Telescope Power Adapter is an ideal choice for amateur astronomers and professional astrophotographers seeking a reliable power solution for their outdoor sessions. This adapter is perfect for individuals who require high-speed output, versatile compatibility, and an integrated USB hub to enhance their astrophotography experience.
Pros:
- High-speed output ensures efficient power delivery.
- Type-C interface offers modern connectivity options.
- Compatibility with various power sources provides versatility.
- Integrated USB hub facilitates easy device management.
Cons:
- Limited dimensions might restrict placement options.
- Specific weight could affect portability for some users.
The SVBONY SV241 features a micro DC USB hub box design, which enhances portability and ease of use during outdoor astrophotography sessions. Its compact dimensions allow it to fit seamlessly into most setups, ensuring that users can manage their equipment efficiently without adding unnecessary bulk. The integrated USB hub is particularly beneficial for photographers who need to connect multiple devices simultaneously, streamlining workflow and reducing clutter.
One of the standout features of this adapter is its type-C interface, which provides modern connectivity and high-speed data transfer. This ensures that power delivery is not only efficient but also adaptable to the latest technological advancements, making it suitable for newer telescope models and accessories. Furthermore, its compatibility with various power sources means users can rely on this adapter in diverse environments, whether they’re exploring remote locations or setting up in their backyard. The high-speed output guarantees that devices receive adequate power for optimal performance, which is crucial during extended observation periods.
2. Celestron 93585 Powertank Glow 5000

The Celestron 93585 PowerTank Glow 5000 is an ideal purchase for astronomy enthusiasts and outdoor adventurers who require a portable power source and red flashlight for their night-time activities. Whether you’re stargazing, camping, or hiking, this compact device is designed to meet your needs by providing reliable power and illumination without disrupting your night vision.
Pros:
- Portable and lightweight design for easy transport.
- Dual functionality as a power bank and red flashlight.
- Rechargeable with a 5000 mAh capacity for extended use.
- Includes silicone mount straps for versatile attachment.
Cons:
- Limited capacity may not support multiple charges for larger devices.
- Red flashlight may not be bright enough for some users’ preferences.
The Celestron 93585 PowerTank Glow 5000 features a compact design, measuring only 1.3 inches in height, width, and 5.5 inches in length, with a weight of 0.4 pounds. This makes it extremely portable, fitting comfortably in your backpack or pocket. The 5000 mAh capacity ensures that you can recharge your devices on the go, providing essential power for your smartphone, camera, or GPS unit during long outings or remote expeditions.
With its unique red flashlight, the PowerTank Glow 5000 is tailored for astronomy and night-time activities. The red light helps to preserve night vision, making it perfect for stargazers who need to consult star charts or adjust equipment in the dark without impairing their ability to see the night sky. The inclusion of silicone mount straps allows for easy attachment to various surfaces, offering flexibility and convenience in use. This makes it a versatile tool that can enhance both your outdoor experiences and practical applications.
3. Celestron – Powertank Lithium Pro Telescope Battery

The Celestron PowerTank Lithium Pro Telescope Battery is ideal for astronomy enthusiasts and professional stargazers who require a reliable and portable power supply for their computerized telescopes. This product is perfect for those who frequently embark on extended observation sessions and need a long-lasting battery to power their equipment without interruptions.
Pros:
- Rechargeable and portable design for easy transportation.
- 17-hour capacity ensuring uninterrupted use during long observation nights.
- Equipped with 2 USB ports for charging additional devices.
- Includes Red/White LED Light for convenient use in dark environments.
Cons:
- At 4.5 pounds, it might be slightly heavy for some users.
- Price could be a concern for budget-conscious buyers.
The Celestron PowerTank Lithium Pro offers a robust 17-hour capacity, making it an excellent choice for lengthy stargazing sessions where reliable power is essential. Its rechargeable nature means users can easily power up their telescopes without worrying about constant battery replacements, providing both convenience and cost-effectiveness in the long run. The inclusion of two USB ports further adds to its versatility, allowing you to charge other devices, such as smartphones or cameras, during your observation activities.
Designed with user convenience in mind, this power supply features a Red/White LED Light, which is particularly useful when setting up or adjusting equipment in low-light conditions. The compact dimensions ensure that it is easy to transport, fitting comfortably into most equipment bags. While it does weigh 4.5 pounds, the benefits of having a reliable, long-lasting power source often outweigh this minor drawback. Whether you’re at a remote observation site or simply in your backyard, the Celestron PowerTank Lithium Pro ensures your equipment remains powered throughout your astronomical adventures.
Frequently Asked Questions
What Power Supply Is Best For Astrophotography?
The SVBONY SV241 is ideal for astrophotography due to its compatibility with various power sources. It features a high-speed output and integrated USB hub, making it perfect for outdoor use.
How Long Does The Celestron Powertank Last?
The Celestron PowerTank Lithium Pro offers a 17-hour capacity, ensuring long-lasting power for your telescope. It’s rechargeable and portable, making it convenient for extended astrophotography sessions.
Can The Powertank Glow Be Used As A Flashlight?
Yes, the Celestron PowerTank Glow includes a red astronomy flashlight. It provides 5000 mAh capacity and comes with silicone mount straps for easy handling.
Is Sky-watcher Evostar 100 Good For Beginners?
The Sky-Watcher EvoStar 100 is compact and portable. It’s an affordable choice for beginners interested in astrophotography and visual astronomy.
What Is Kenko Skymemo S Used For?
Kenko SKYMEMO S is a portable tracking platform. It’s designed for astrophotography, providing accurate tracking for celestial objects. Ideal for enthusiasts seeking precise and reliable performance.
Conclusion
Choosing the right portable power supply is crucial for successful astrophotography. Each option offers unique features and benefits. The svbony sv241 provides versatility with its usb hub and compatibility with various power sources. Ideal for those needing multiple device connections.
The celestron 93585 powertank glow 5000 is a compact choice with a handy flashlight feature. Perfect for quick sessions under the stars. For longer outings, the celestron powertank lithium pro offers extended battery life and multiple charging options. It’s reliable for prolonged stargazing.
The sky-watcher evostar 100 apo doublet refractor stands out for its compact design, making it easy to carry. Lastly, the kenko skymemo s tracking platform is perfect for precise tracking. It enhances the quality of your astrophotography. Evaluate your needs and select a power supply that matches your equipment and shooting style.
This ensures an enjoyable and efficient stargazing experience. Happy shooting!
